Thirty years ago, full servo-controlled robots of any kinematic configuration were rarely deployed in injection molding applications. The most common approach was to deploy a simple three-axis, point-to-point Cartesian robot that was machine mounted. With enough Z (vertical) stroke to reach the centerline of the platen, these very simple robots quickly extracted parts from the mold and delivered them to totes or conveyors.
Twenty years ago, full servo-controlled Cartesian robots became common, providing greater precision and control of the end-of-arm tools. Fifteen years ago, molders began applying six-axis robots in increasing numbers. This evolution was driven by several technical and business drivers that continue today: Read More...
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